Christmas tree watering device



FIG. 1 is a top, front and right side perspective view of a Christmas tree watering device showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side, elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

I claim the ornamental design for a Christmas tree watering device, as shown and described. 